4) Which of the following is not a method used for determining whether data are from an approximately normal distribution? A) Find the interquartile range, IQR, and standard deviation, s, for the sample. Then =1.3. B) Construct a normal probability plot. The points should fall approximately on a straight line. C) Compute the intervals x +s, x+ 2s, and x + 3s. The percentages of measurements falling in each should be approximately 68%, 95%, and 100% respectively. D) Construct a histogram or stem-and-leaf display. The shape of the graph or display should be uniform (evenly distributed).
4) Which of the following is not a method used for determining whether data are from an approximately normal distribution? A) Find the interquartile range, IQR, and standard deviation, s, for the sample. Then =1.3. B) Construct a normal probability plot. The points should fall approximately on a straight line. C) Compute the intervals x +s, x+ 2s, and x + 3s. The percentages of measurements falling in each should be approximately 68%, 95%, and 100% respectively. D) Construct a histogram or stem-and-leaf display. The shape of the graph or display should be uniform (evenly distributed).
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:4) Which of the following is not a method used for determining whether data are from an approximately normal
distribution?
A) Find the interquartile range, IQR, and standard deviation, s, for the sample. Then
IQR
= 1.3.
B) Construct a normal probability plot. The points should fall approximately on a straight line.
C) Compute the intervals x+s, x+ 2s, and x + 3s. The percentages of measurements falling in each should
be approximately 68%, 95%, and 100% respectively.
D) Construct a histogram or stem-and-leaf display. The shape of the graph or display should be uniform
(evenly distributed).
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